23 lines
518 B
Plaintext
23 lines
518 B
Plaintext
#import "math.sx";
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vec3_dot :: (a: Vector(3,f32), b: Vector(3,f32)) -> f32 {
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return a.x*b.x + a.y*b.y + a.z*b.z;
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}
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dot :: ufcs vec3_dot;
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vec3_cross :: (a: Vector(3,f32), b: Vector(3,f32)) -> Vector(3,f32) {
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.[a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x];
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}
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cross :: ufcs vec3_cross;
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vec3_length :: (v: Vector(3,f32)) -> f32 {
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return sqrt(dot(v, v));
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}
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length :: ufcs vec3_length;
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vec3_normal :: (v: Vector(3,f32)) -> Vector(3,f32) {
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return v / length(v);
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}
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normal :: ufcs vec3_normal;
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